Peregrine Cavendish, 12th Duke of Devonshire

Estates landscaped before 1900 by the family (who maintain a luxury hotels business) are parts of Derbyshire and North Yorkshire.

Other capital managed by the Duke includes fine and contemporary art, forestry and farming.

He is a first cousin of merchant banker Jonathan Guinness, 3rd Baron Moyne (born 1930), the Irish preservationist Desmond Guinness (1931–2020), Max Mosley (1940–2021), former President of the Fédération Internationale de l'Automobile (FIA), and fourth cousin of Diana, Princess of Wales.

Peregrine Andrew Morny Cavendish, 12th Duke of Devonshire, (also known as "Stoker"; born 27 April 1944), is an English peer.

Before his succession, he was styled Earl of Burlington from 1944 until 1950 and Marquess of Hartington between 1950 and 2004.

His immediate family are owner-occupiers of Chatsworth House and are worth an estimated £905 million.

Cavendish was born on 27 April 1944 in Chatsworth House, the second child and only surviving son of Andrew Cavendish, 11th Duke of Devonshire, and Deborah Mitford.

His mother was the youngest of the Mitford sisters.

His paternal uncle was William Cavendish, Marquess of Hartington, who married Kathleen "Kick" Kennedy (a member of the Kennedy family and younger sister of U.S. President John F. Kennedy).

In 1953, his grandmother served as Mistress of the Robes at the coronation of Queen Elizabeth II.

Cavendish was a Page of Honour in the ceremony, carrying his grandmother's coronet.

He was educated at Eton College, Exeter College, Oxford, where he read history, and at the Royal Agricultural College (now the Royal Agricultural University), Cirencester.

The duke married Amanda Carmen Heywood-Lonsdale, daughter of Commander Edward Gavin Heywood-Lonsdale, on 28 June 1967.

Queen Elizabeth II and Queen Elizabeth The Queen Mother attended the wedding ceremony.

They have three children:

His niece was fashion model Stella Tennant (1970–2020).

The duke is well known in the world of horse racing and served as Her Majesty's Representative at Ascot and chairman of Ascot Racecourse Ltd. In 1980 he was elected to the Jockey Club and in 1989 he was appointed its Senior Steward (that is, chairman).

During his five-year term of office, he oversaw a number of changes within the racing industry, in particular the creation of the British Horseracing Board which is now the governing authority for British racing.

He was appointed first chairman of the board in June 1993 and retired at the end of his term in 1996.

He was appointed Commander of the Order of the British Empire (CBE) for services to racing in 1997 and Knight Commander of the Royal Victorian Order (KCVO) in the 2009 New Year Honours for his services as Her Majesty's Representative at Ascot.

The Duke and Duchess were invited to ride in the King's carriage at Royal Ascot 2023.

He succeeded to the dukedom following the death of his father on 3 May 2004.

He was appointed a trustee of the Wallace Collection in 2007.

He is a trustee of Sheffield Galleries and Museums Trust.

He is chairman of the Devonshire Arms Hotel Group, a chain of countryside hotels in North Yorkshire and Derbyshire, and deputy chairman of Sotheby's.

He collects modern British and contemporary painting and sculpture, as well as works in other areas, many of which are on display at his family seat Chatsworth House.

The Duke and Duchess and the house and estate grounds were featured in the BBC documentary series Chatsworth.

He took up the position as the third chancellor of the University of Derby at a ceremony on 28 October 2008 in Buxton.

The duke is a current patron of St Wilfrid's Hospice in Eastbourne.

The Range of Cavendish Pianos was named after the family name of the duke to recognise his support, which was critical to the establishment of the new firm.

He was the third chancellor of the University of Derby, serving from 2008 to March 2018.

He is the only surviving son of Andrew Cavendish, 11th Duke of Devonshire, and his wife, the former Deborah Mitford.

In December 2012, he sold Auxiliary cartoon for the Head of a Young Apostle by Raphael for £29.7m at a Sotheby's auction.

As of 2016, he is the owner of Heywood Hill, a notable bookstore in London where his aunt Nancy Mitford used to work.

In 2017, he presented Private Derby to the Regiment.

The duke was invited to attend the service of thanksgiving for Prince Philip, Duke of Edinburgh's life at Westminster Abbey on 29 March 2022.

After the death of the Queen on 8 September 2022, The Duke and Duchess were invited to her funeral on 19 September.

In 2023, the duke attended the Coronation of Charles III and Camilla.

He stepped down from the role in 2018 and his son and heir, William Cavendish, Earl of Burlington was nominated and installed as the fourth and current Chancellor of the university in March 2018.

The duke has provided a Swaledale Ram as mascot to the Mercian Regiment since the regiment's inception.